Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert square decimetre (dm²) to hectare (ha). Enter a value for an instant result, or use the examples and reverse conversion below.
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a square decimetre value to calculate hectare with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom dm² | µm² | 10000000000 |
| square millimetrefrom dm² | mm² | 10000 |
| square centimetrefrom dm² | cm² | 100 |
| square decimetrefrom dm² | dm² | 1 |
| square metrefrom dm² | m² | 0.01 |
| arefrom dm² | a | 0.0001 |
| hectarefrom dm² | ha | 0.000001 |
| square kilometrefrom dm² | km² | 0.00000001 |
| square inchfrom dm² | in² | 15.5 |
| square footfrom dm² | ft² | 0.107639 |
| square yardfrom dm² | yd² | 0.0119599 |
| acrefrom dm² | acre | 0.00000247105 |
| square milefrom dm² | mi² | 0.00000000386102 |
| barnfrom dm² | b | 1e26 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Square Decimetre (dm²) and hectare (ha) are units of area. Use this page to convert in either direction.
| Square Decimetre (dm²) | Hectare (ha) |
|---|---|
| 1 dm² | 0.000001 ha |
| 5 dm² | 0.000005 ha |
| 10 dm² | 0.00001 ha |
| 100 dm² | 0.0001 ha |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
ha to dm² (hectare to square decimetre)